BFC520 Datasheet, PDF (8/12 Pages) NXP Semiconductors – NPN wideband cascode transistor

Philips Semiconductors
NPN wideband cascode transistor
Typical application circuits
andbook, full pagewidth
R1
RF input
Product specification
BFC520
+VCC
RF output
R1 increases stability (10 to 47 Ω).
MBG226
Fig.12 Narrowband amplifier.
handbook, full pagewidth
Vtune
T1 forms a colpitts oscillator.
T2 acts as a buffer amplifier.
1997 Sep 10
+VCC
RF output
E1
T2
T1
E1
MBG227
Fig.13 VCO/buffer combination.
8